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7616382 |
Image observation apparatus and image observation system
The image observation apparatus includes a first image-forming element and a second image-forming element each of which forms an original image, and an optical system configured to introduce light...
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7613373 |
Substrate guided relay with homogenizing input relay
An optical relay system ( 200 ) includes a scanned light source ( 206 ) and a substrate guided relay ( 204 ). The substrate guided relay ( 204 ) includes an input coupler ( 201 ), an output coupler...
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7580191 |
Wavelength branching filter and optical communication module
There is provided a low-cost wavelength branching filter that transmits lights of 1310 nm wavelength band, and reflects light of 1490 nm and 1650 nm wavelength bands. In one embodiment, a...
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7577326 |
Optical device for light coupling
There is provided an optical device, including a light-transmitting substrate having two major surfaces parallel to each other and two edges, optics for coupling light into the substrate by...
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7549775 |
Light source apparatus and image display apparatus having same
Directivity of light beams can be adjusted appropriately relative to the normal to the light emission surface of a light source. Thus, the light source apparatus has high brightness without...
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7499218 |
Illumination system
An illumination system including at least one first light source, a prism and a light uniforming device is provided. The first light source is capable of providing a first beam. The prism is...
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7480094 |
Arrangement for switching the operating modes of a microscope tube
An arrangement for switching the operating modes of a microscope tube between the observation position, photo position and simultaneous observation/photo position. A prism is used having surfaces...
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7463828 |
Optical channel monitor
An optical channel monitor is provided that sequentially or selectively filters an optical channel(s) 11 of light from a (WDM) optical input signal 12 and senses predetermined parameters of the...
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7457040 |
Light guide optical device
There is provided an optical device including a light-transmitting substrate having at least two major surfaces and edges, optical means for coupling light into the substrate by total internal...
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7437034 |
Device for coupling the light of multiple light sources
A device for coupling the light of multiple light sources ( 2, 3 ) that substantially consists of a reflectance surface ( 10, 11 ) for one or more of said light sources ( 2, 3 ) and at least one...
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7423806 |
Microscope system with a beam hub unit having a beam multiplexer for alternatively selecting beam ports
A microscope system having an objective lens ( 10 ) defining a central optical axis ( 14 ) of the microscope system; an optical beam hub unit ( 18, 20 ) having a center coinciding with the central...
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7391573 |
Substrate-guided optical devices
There is provided an optical device, having a light-transmitting substrate having at least two major surfaces ( 26 ) parallel to each other and edges; optical means ( 16 ) for coupling light waves...
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7390095 |
Projector
Aspects of the invention can provide a projector that includes three optical modulators which modulate respectively red light, green light, and blue light, a color-synthetic optical system which...
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7364302 |
Projection display system using multiple light sources and polarizing element for using with same
An image projection system has two illumination beams of different colors. A first polarizing beamsplitter (PBS) has first and second input faces. Light of the first color is incident on the first...
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7307787 |
Beam splitting prism, method of manufacturing beam splitting prism, and all-optical switching device
In order to obtain a beam splitting prism which a beam can be split with simpler configuration in a state in which an optical path length is precisely controlled, there is provided a beam splitting...
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7301686 |
Optically controlled optical-path-switching apparatus, and method of switching optical paths
An optical signal optical path switching method comprising steps of using a thermal lens based on a distribution of refractive index produced reversibly caused by temperature increase generated in...
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7298558 |
Electronic adjustable color filter device
An electronically adjustable, combinational color filter device is provided for generating color light. Incoming light is split in a polarizing beam splitter/combiner into a first and a second...
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7289218 |
Optical component for directing electromagnetic radiation
A passive optical component directs first electromagnetic radiation incident on the component in a first direction and second electromagnetic radiation incident on the component in a second...
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7277213 |
Aperture plate and related system and method
An aperture plate includes an opening and a surface adjacent to the opening. The opening passes electromagnetic energy such as light to a reflector that is aligned with the opening and that directs...
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7242748 |
X-ray transmissive optical mirror apparatus
A mirror is reflective to light and transmissive to x-rays. The mirror has a continuous mirror surface and an x-ray aperture within a body portion of the mirror proximate the continuous mirror...
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7215491 |
Optical path switching device and method
An optical path switching method includes converging and irradiating, on a light absorption layer film provided in a thermal lens forming element including at least the film, each of a control...
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7210788 |
Color prism and projection-type image display apparatus employing the same
A color prism capable of separating incident light into four color beams and synthesizing incident four-color beams, and a projection-type image display apparatus employing the color prism. The...
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7207678 |
Prism for high contrast projection
Prism elements having TIR surfaces placed in close proximity to the active area of a SLM device to separate unwanted off-state and/or flat-state light from the projection ON-light bundle. The TIR...
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7203005 |
Real image configuration for a high efficiency heads-up display (HUD) using a polarizing mirror and a polarization preserving screen
An image display system includes a polarized image projection device, a polarization preserving transmissive diffusiver, and a polarizing reflector element as a non-blocking mirror (referred to as...
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7187270 |
Vehicle display device and light guide plate thereof
Disclosed are a vehicle display device providing excellent visibility and does not obstruct a sight ahead of a driver, regardless of a frame, a seating position and the like of the driver. The...
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7088517 |
Beam splitter device or laser-scanning microscope
The subject matter of the invention is a beam splitter device having two spaced apart parallel highly reflecting mirrors, between which there is disposed a semireflecting mirror which is spaced a...
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7075692 |
Optical scanning apparatus and projecting apparatus
The present invention provides an optical scanning apparatus which has a light modulating element capable of changing the propagating state of light, an illuminating optical system for illuminating...
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7061683 |
Method and a device for the combination of a first and second beam of rays
A method for combining a first and a second ray bundle includes forming a first partial beam and a second partial beam by the first ray bundle interacting with a first beam-splitter layer, and...
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7011419 |
Method and system for changing the cross-sectional profile of a beam of light
A technique for changing the cross-sectional profile of a beam of light from, for example, circular or elliptical to thin involves dividing the beam of light into cross-sectional portions, rotating...
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6937221 |
Scanned beam display
A display apparatus includes first and second IR or other light sources that produce light at respective first and second non-visible wavelengths. The light is modulated according to a desired...
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6919990 |
Methods and systems for low loss separation and combination of light
A display system is disclosed that includes a light source, an integrator rod receiving a light beam from the light source and producing an integrated light beam, a beam splitting device splitting...
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6888679 |
Laser diode bar integrator/reimager
A beam integrator system, which integrates multiple beams into fewer beams of increased intensity by using a combination of optical elements and lenses.
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6863400 |
Tiled projection display using spatial light modulators
A projection apparatus ( 10 ) forms a tiled image ( 12 ) on a display surface ( 14 ), the tiled image ( 14 ) having at least two adjacent image tile segments. The projection apparatus ( 10 )...
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6836379 |
Catadioptric objective
A catadioptric objective is provided with a beam splitter surrounded at least partially by a mount, with a mirror, with a plurality of lenses and with a λ/4 plate arranged between the mirror and...
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6831789 |
Rotating periodic color-regulating module of an image display device
A rotating periodic color-regulating module of the image display device is disclosed to improve the usage of light. The rotating periodic color-regulating module comprises a color separating light...
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6829095 |
Substrate-guided optical beam expander
The invention provides an optical device, including a light-transmitting substrate, optical means for coupling light into the substrate by total internal reflection, and a plurality of partially...
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6816318 |
BEAM SHAPING DEVICE FOR SHAPING THE CROSS-SECTION OF A LIGHT BEAM AND SYSTEM FOR LAUNCHING INTO AN OPTICAL FIBER A LIGHT BEAM HAVING AN ELONGATED CROSS-SECTION AND BEING EMITTED BY AN ELONGATED LASER BEAM SOURCE
The invention relates to a beam shaping device for shaping the cross-section of a light beam, comprising at least one beam shaping unit with beam splitting means, beam deflecting means, and beam...
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6807010 |
Projection display apparatus having both incoherent and laser light sources
A color display apparatus for forming, on a display surface, a color image of superimposed color images, the display apparatus having a first color modulation channel for forming a first color...
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6789901 |
System and method for providing images for an operator of a vehicle
A system and method for providing images for an operator of a vehicle include the capability to receive electrical signals representing electromagnetic radiation at an image source and to generate...
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6774366 |
Image integration and multiple laser source projection
An apparatus and method for enhancing an image relayed by a central beam of collimated light centered on the optical axis of a lens with an aperture area of A and focused on the focal plane of the...
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6765725 |
Fiber pigtailed high power laser diode module with high brightness
A partially mirror coated parallelepipedal form is oriented to divide collimated beams along the longitudinal axes from a plurality of diode lasers arranged side-by-side along their transverse...
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6710924 |
Spectroscope with multiple laser beams
A spectroscope has a body having a front surface, a rear surface, and a concavity provided in the rear surface. The concavity is defined by a plurality of angled reflective surfaces. A laser beam...
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6704144 |
Color separation prism assembly compensated for contrast enhancement and implemented as reflective imager
This invention discloses a color separation prism assembly. The prism assembly includes three triangular-shaped prisms having identical shape and size. Each of the three triangular-shaped prisms...
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6665124 |
Geometrical beam splitter and a sensor for multi-element detectors
The invention relates to a geometrical beam splitter, e.g. in a sensor, for transversally dividing a radiation beam ( 4 ) into at least one reflected beam portion ( 5 R ) and at least one passing...
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6642995 |
Mask-to-wafer alignment system
A modified beam splitter that has a hole pattern that is symmetric in one axis and anti-symmetric in the other can be employed in a mask-to-wafer alignment device. The device is particularly suited...
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6639743 |
Cooling mechanism of optical modulator, optical modulator attachment unit and projector
A support member ( 311 ) for supporting liquid crystal panels ( 441 R, 441 G, 441 B) is disposed parallel to a cooling air flow channel formed between a light-incident end of a cross dichroic...
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6603443 |
Compact display system controlled by eye position sensory system
A compact virtual image electronic display system including a beamsplitting magnification optic on which a source object is projected, the beamsplitting magnification optic having a refractive...
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6583940 |
Projection system
A projection system that is capable of providing a high-performance projection system and producing a high contrast projection image by using an optical modulation element, which can be positioned...
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6580561 |
Quasi-optical variable beamsplitter
A variable beamsplitter ( 10 ) for use with quasi-optical millimeter-wave beams. The beamsplitter ( 10 ) consists of a circular metal plate ( 20 ) into which a periodic array ( 30 ) of rectangular...
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6563646 |
Portable laser layout instrument
A laser beam projecting instrument primarily for construction purposes, and preferably self-leveling, produces four or five orthogonal output beams. The high-intensity central portion of a...
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